[clang] [PAC] Implement function pointer re-signing (PR #98847)

[Daniil Kovalev via cfe-commits]

================
@@ -0,0 +1,77 @@
+// RUN: %clang_cc1 -fptrauth-function-pointer-type-discrimination -triple arm64-apple-ios -fptrauth-calls -fptrauth-intrinsics -emit-llvm %s  -o - | FileCheck -check-prefix=CHECK -check-prefix=NOPCH %s
----------------
kovdan01 wrote:

Nit: maybe use `-check-prefixes=CHECK,NOPCH` instead of double `-check-prefix`? Also applies to the next FileCheck invocation.

Please also see a comment on check lines with these prefixes - they are probably not needed at all.

https://github.com/llvm/llvm-project/pull/98847